The color is a beautiful blue. Cotton flannel lining is necessary in hotter climates so you don't sweat like with polyester. I always put a doubled twin flat sheet inside to keep it cleaner longer & can use just sheet on really hot nights. 2-way zipper really nice if you're a person with hot feet or legs. Very roomy for me but I'm only 5'2" & 135 lb. Great for summer camping or in hotter climates. Comes with a stuff sack with end handle.